Measurement of the μ decay spectrum with the ICARUS liquid Argon TPC

被引：59

作者：

Amoruso, S ^{[1
]}

Antonello, M

Aprili, P

Arneodo, F

Badertscher, A

Baiboussinov, B

Ceolin, MB

Battistoni, G

Bekman, B

Benetti, P

Bischofberger, M

di Tigliole, AB

Brunetti, R

Bruzzese, R

Bueno, A

Calligarich, E

Campanelli, M

Carbonara, F

Carpanese, C

Cavalli, D

Cavanna, F

Cennini, P

Centro, S

Cesana, A

Chen, C

Chen, D

Chen, DB

Chen, Y

Cid, R

Cieslik, K

Cline, D

Cocco, AG

Dai, Z

De Vecchi, C

Dabrowska, A

Di Cicco, A

Dolfini, R

Ereditato, A

Felcini, M

Ferella, A

Ferrari, A

Ferri, F

Fiorillo, G

Galli, S

Garcia-Gamez, D

Ge, Y

Gibin, D

Berzolari, AG

Gil-Botella, I

Graczyk, K

机构：

[1] Univ Naples Federico II, Naples, Italy

[2] Ist Nazl Fis Nucl, I-80125 Naples, Italy

[3] Univ Aquila, I-67100 Laquila, Italy

[4] Ist Nazl Fis Nucl, Laquila, Italy

[5] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Assergi, Italy

[6] ETH Honggerberg, Inst Particle Phys, CH-8093 Zurich, Switzerland

[7] Univ Padua, Padua, Italy

[8] Ist Nazl Fis Nucl, Padua, Italy

[9] Univ Milan, Milan, Italy

[10] Ist Nazl Fis Nucl, I-20133 Milan, Italy

[11] Silesian Univ, Inst Phys, PL-40007 Katowice, Poland

[12] Univ Pavia, I-27100 Pavia, Italy

[13] Ist Nazl Fis Nucl, I-27100 Pavia, Italy

[14] Univ Granada, Dpto Fis Teor & Cosmos, Granada, Spain

[15] Univ Granada, CAFPE, Granada, Spain

[16] CERN, Geneva, Switzerland

[17] Politecn Milan, CESNEF, I-20133 Milan, Italy

[18] Acad Sinica, IHEP, Beijing, Peoples R China

[19] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[20] H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland

[21] Univ Calif Los Angeles, Dept Phys, Los Angeles, CA 90024 USA

[22] Univ Wroclaw, Inst Theoret Phys, PL-50138 Wroclaw, Poland

[23] Warsaw Univ, Inst Expt Phys, Warsaw, Poland

[24] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland

[25] IFSI, Turin, Italy

[26] Univ Turin, Turin, Italy

[27] Univ Sci & Technol, AGH, Krakow, Poland

[28] Ist Nazl Fis Nucl, Pisa, Italy

[29] Warsaw Univ Technol, Warsaw, Poland

[30] CNR, IFSI, Sez Presso LNF, I-00185 Rome, Italy

来源：

EUROPEAN PHYSICAL JOURNAL C | 2004年 / 33卷 / 02期

关键词：

D O I：

10.1140/epjc/s2004-01597-7

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Examples are given which prove the ICARUS detector quality through relevant physics measurements. We study the mu decay energy spectrum from a sample of stopping mu events acquired during the test run of the ICARUS T600 detector. This detector allows the spatial reconstruction of the events with fine granularity, hence, the precise measurement of the range and dE/dx of the mu with high sampling rate. This information is used to compute the calibration factors needed for the full calorimetric reconstruction of the events. The Michel rho parameter is then measured by comparison of the experimental and Monte Carlo simulated mu decay spectra, obtaining rho = 0.72 +/- 0.06 (stat.) +/- 0.08 (syst.). The energy resolution for electrons below similar to50 MeV is finally extracted from the simulated sample, obtaining (E-meas(e) - E-MC(e))/E-MC(e) = 11%/rootE[MeV] +2%.

引用

页码：233 / 241

页数：9

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